One problem related to water pump has been reported for the 2003 Mercedes Benz C320. The most recently reported issues are listed below.
"check coolant level" level warning sign was on. Apparently, there is leaking of coolant some where. It was at the water pump, which was replaced on June 20, 2019. It happens again now, about 9 months later.
| Engine Cooling System problems | |
| Radiator problems | |
| Water Pump problems |